| australia | | aristolochia thozetii | species | 2 | 0 |
| australia | | pararistolochia australopithecurus | species | 2 | 0 |
| australia | | pararistolochia deltantha | species | 2 | 0 |
| australia | | pararistolochia linearifolia | species | 1 | 0 |
| australia | | pararistolochia peninsulensis | species | 1 | 0 |
| australia | | pararistolochia praevenosa | species | 2 | 0 |
| australia | | peperomia hunteriana | species | 1 | 0 |
| australia | | piper caninum | species | 1 | 0 |
| australia | | piper hederaceum var. hederaceum | varietas | 1 | 0 |
| australia | | piper umbellatum | species | 1 | 0 |
| australia | new south wales | piper auritum | species | 2 | 0 |
| australia | new south wales | piper betle | species | 2 | 0 |
| australia | new south wales | piper magnificum | species | 2 | 0 |
| australia | queensland | pararistolochia laheyana | species | 4 | 0 |
| australia | queensland | pararistolochia praevenosa | species | 1 | 0 |
| australia | queensland | peperomia blanda | species | 1 | 0 |
| australia | queensland | piper hederaceum | species | 2 | 0 |
| belize | | piper tuberculatum | species | 1 | 0 |
| brazil | | manekia obtusa | species | 6 | 0 |
| brazil | | piper cernuum | species | 1 | 0 |
| brazil | | piper cf. cernuum hatschbach 46665 | species | 1 | 0 |
| brazil | | piper cf. gigantifolium mori 12866 | species | 1 | 0 |
| brazil | | piper coccoloboides | species | 1 | 0 |
| brazil | | piper gaudichaudianum | species | 47 | 0 |
| brazil | | piper gigantifolium | species | 1 | 0 |
| brazil | | piper malacophyllum | species | 9 | 0 |
| brazil | | piper pseudopothifolium | species | 1 | 0 |
| brazil | | piper regnellii | species | 37 | 0 |
| brazil | | piper truncatum | species | 1 | 0 |
| brazil | mato grosso | houttuynia struthionis | species | 0 | 1 |
| brazil | mato grosso do sul | houttuynia struthionis | species | 0 | 1 |
| brazil | rio de janeiro | piper chimonanthifolium | species | 2 | 0 |
| brazil | rio de janeiro | piper crassinervium | species | 2 | 0 |
| brazil | rio de janeiro | piper goesii | species | 2 | 0 |
| brazil | rio de janeiro | piper lagoaense | species | 2 | 0 |
| brazil | rio de janeiro | piper malacophyllum | species | 2 | 0 |
| brazil | rio de janeiro | piper mollicomum | species | 2 | 0 |
| brazil | rio de janeiro | piper mosenii | species | 2 | 0 |
| brazil | rio de janeiro | piper sp. et4126 | species | 676 | 0 |
| brazil | rio de janeiro | piper vicosanum | species | 2 | 0 |
| brazil | sao paulo | houttuynia struthionis | species | 0 | 1 |
| brazil | sao paulo | piper amalago | species | 2 | 0 |
| brazil | sao paulo | piper arboreum | species | 2 | 0 |
| brazil | sao paulo | piper caldense | species | 2 | 0 |
| brazil | sao paulo | piper cernuum | species | 2 | 0 |
| brazil | sao paulo | piper gaudichaudianum | species | 2 | 0 |
| brazil | sao paulo | piper pseudopothifolium | species | 3 | 0 |
| brazil | sao paulo | piper solmsianum | species | 3 | 0 |
| brazil | sao paulo | piper sp. et4147 | species | 2 | 0 |
| brazil | sao paulo | piper ubatubense | species | 3 | 0 |
| cameroon | east region | piper capense | species | 1 | 0 |
| canada | british columbia | aristolochia clematitis | species | 1 | 0 |
| canada | british columbia | asarum caudatum | species | 4 | 0 |
| canada | ontario | asarum canadense | species | 6 | 0 |
| canada | ontario | saururus cernuus | species | 3 | 0 |
| canada | quebec | asarum canadense | species | 2 | 0 |
| canada | quebec | saururus cernuus | species | 1 | 0 |
| china | | aristolochia austroyunnanensis | species | 1 | 0 |
| china | | aristolochia cucurbitoides | species | 1 | 0 |
| china | | aristolochia dabieshanensis | species | 9 | 0 |
| china | | aristolochia debilis | species | 4 | 0 |
| china | | aristolochia fangchi | species | 7 | 0 |
| china | | aristolochia hainanensis | species | 5 | 0 |
| china | | aristolochia heterophylla | species | 9 | 0 |
| china | | aristolochia howii | species | 3 | 0 |
| china | | aristolochia kaempferi | species | 2 | 0 |
| china | | aristolochia kwangsiensis | species | 1 | 0 |
| china | | aristolochia manshuriensis | species | 2 | 0 |
| china | | aristolochia mollis | species | 7 | 0 |
| china | | aristolochia mollissima | species | 24 | 0 |
| china | | aristolochia moupinensis | species | 10 | 0 |
| china | | aristolochia neolongifolia | species | 3 | 0 |
| china | | aristolochia saccata | species | 1 | 0 |
| china | | aristolochia sp. 2 mr-2013 | species | 1 | 0 |
| china | | aristolochia sp. guizhou-155 | species | 7 | 0 |
| china | | aristolochia sp. tot-2016a | species | 8 | 0 |
| china | | aristolochia sp. tot-2016b | species | 7 | 0 |
| china | | aristolochia sp. yunnan-141 | species | 3 | 0 |
| china | | aristolochia sp. yunnan-143 | species | 3 | 0 |
| china | | aristolochia sp. yunnan-153 | species | 3 | 0 |
| china | | aristolochia sp. zhejiang-160 | species | 7 | 0 |
| china | | aristolochia tagala | species | 153 | 0 |
| china | | aristolochia tubiflora | species | 1 | 0 |
| china | | aristolochia westlandii | species | 13 | 0 |
| china | | asarum heterotropoides | species | 1 | 0 |
| china | | asarum pulchellum | species | 1 | 0 |
| china | | asarum sieboldii | species | 10 | 0 |
| china | | houttuynia cordata | species | 146 | 0 |
| china | | peperomia blanda | species | 8 | 0 |
| china | | peperomia leptostachya | species | 1 | 0 |
| china | | peperomia pellucida | species | 10 | 0 |
| china | | piper flaviflorum | species | 3 | 0 |
| china | | piper nigrum | species | 150 | 0 |
| china | | piper sp. mr-2013 | species | 1 | 0 |
| china | | saruma henryi | species | 3 | 0 |
| china | | saururus chinensis | species | 5 | 0 |
| china | anhui | asarum forbesii | species | 1 | 0 |
| china | beijing | aristolochia contorta | species | 8 | 0 |
| china | beijing | aristolochia fimbriata | species | 58 | 0 |
| china | beijing | aristolochia manshuriensis | species | 3 | 0 |
| china | chongqing | houttuynia cordata | species | 49 | 0 |
| china | fujian | houttuynia cordata | species | 6 | 0 |
| china | guangdong | aristolochia fangchi | species | 3 | 0 |
| china | guangdong | aristolochia fordiana | species | 2 | 0 |
| china | guangdong | houttuynia cordata | species | 9 | 0 |
| china | guangxi | aristolochia austroyunnanensis | species | 2 | 0 |
| china | guangxi | aristolochia kwangsiensis | species | 2 | 0 |
| china | guangxi | asarum himalaicum | species | 10 | 0 |
| china | guangxi | houttuynia cordata | species | 6 | 0 |
| china | guizhou | houttuynia cordata | species | 8 | 0 |
| china | hainan | houttuynia cordata | species | 3 | 0 |
| china | hainan | piper nigrum | species | 2 | 0 |
| china | hubei | asarum sieboldii | species | 3 | 0 |
| china | hubei | asarum sieboldii f. sieboldii | forma | 1 | 0 |
| china | hubei | houttuynia cordata | species | 6 | 0 |
| china | hubei | piper bambusifolium | species | 2 | 0 |
| china | hubei | saururus chinensis | species | 2 | 0 |
| china | hunan | houttuynia cordata | species | 9 | 0 |
| china | jiangsu | houttuynia cordata | species | 6 | 0 |
| china | jiangxi | houttuynia cordata | species | 6 | 0 |
| china | jiangxi | saururus chinensis | species | 1 | 0 |
| china | jilin | aristolochia manshuriensis | species | 2 | 0 |
| china | jilin | asarum heterotropoides var. mandshuricum | varietas | 10 | 0 |
| china | jilin | asarum heterotropoides var. seoulense | varietas | 11 | 0 |
| china | liaoning | asarum heterotropoides var. mandshuricum | varietas | 9 | 0 |
| china | liaoning | asarum heterotropoides var. seoulense | varietas | 11 | 0 |
| china | shaanxi | asarum sieboldii f. sieboldii | forma | 14 | 0 |
| china | shaanxi | houttuynia cordata | species | 1 | 0 |
| china | sichuan | houttuynia cordata | species | 11 | 1 |
| china | tibet | asarum caudigerellum | species | 8 | 0 |
| china | tibet | asarum pulchellum | species | 7 | 0 |
| china | xinjiang | asarum forbesii | species | 36 | 0 |
| china | yunnan | aristolochia cucurbitoides | species | 2 | 0 |
| china | yunnan | aristolochia moupinensis | species | 2 | 0 |
| china | yunnan | aristolochia saccata | species | 3 | 0 |
| china | yunnan | aristolochia sp. 2 mr-2013 | species | 2 | 0 |
| china | yunnan | aristolochia sp. c mr-2013 | species | 1 | 0 |
| china | yunnan | asarum yunnanense | species | 1 | 0 |
| china | yunnan | houttuynia cordata | species | 6 | 0 |
| china | yunnan | piper sp. mr-2013 | species | 3 | 0 |
| china | zhejiang | houttuynia cordata | species | 6 | 0 |
| colombia | | aristolochia fimbriata | species | 22 | 0 |
| colombia | | aristolochia ringens | species | 2 | 0 |
| colombia | | manekia sydowii | species | 3 | 0 |
| colombia | | piper begoniicolor | species | 1 | 0 |
| colombia | | piper cf. cabellense fonnegra 2697 | species | 1 | 0 |
| colombia | | piper cf. pulchrum gentry 65422 | species | 1 | 0 |
| colombia | | piper cogolloi | species | 1 | 0 |
| colombia | | piper decorticans | species | 1 | 0 |
| colombia | | piper fonteboanum | species | 1 | 0 |
| colombia | | saruma henryi | species | 1 | 0 |
| colombia | antioquia department | piper arboreum | species | 1 | 0 |
| colombia | antioquia department | piper archeri | species | 1 | 0 |
| colombia | antioquia department | piper cocornanum | species | 1 | 0 |
| colombia | antioquia department | piper darienense | species | 1 | 0 |
| colombia | antioquia department | piper tomas-albertoi | species | 5 | 0 |
| colombia | choco department | piper appendiculatum | species | 1 | 0 |
| colombia | choco department | piper arieianum | species | 1 | 0 |
| colombia | choco department | piper augustum | species | 1 | 0 |
| colombia | choco department | piper auritum | species | 1 | 0 |
| colombia | choco department | piper basilobatum | species | 1 | 0 |
| colombia | choco department | piper bullulatum | species | 1 | 0 |
| colombia | choco department | piper cararense | species | 1 | 0 |
| colombia | choco department | piper cavendishioides | species | 1 | 0 |
| colombia | choco department | piper cinereum | species | 1 | 0 |
| colombia | choco department | piper confertinodum | species | 1 | 0 |
| colombia | choco department | piper flagellicuspe | species | 1 | 0 |
| colombia | choco department | piper friedrichsthalii | species | 1 | 0 |
| colombia | choco department | piper garagaranum | species | 1 | 0 |
| colombia | choco department | piper gesnerioides | species | 1 | 0 |
| colombia | choco department | piper hispidum | species | 1 | 0 |
| colombia | choco department | piper imperiale | species | 1 | 0 |
| colombia | choco department | piper longispicum | species | 1 | 0 |
| colombia | choco department | piper multiplinervium | species | 1 | 0 |
| colombia | choco department | piper munchanum | species | 1 | 0 |
| colombia | choco department | piper obovatum | species | 1 | 0 |
| colombia | choco department | piper oxystachyum | species | 1 | 0 |
| colombia | choco department | piper pedunculatum | species | 1 | 0 |
| colombia | choco department | piper peltatum | species | 1 | 0 |
| colombia | choco department | piper phytolaccifolium | species | 1 | 0 |
| colombia | choco department | piper pulchrum | species | 1 | 0 |
| colombia | choco department | piper reticulatum | species | 1 | 0 |
| colombia | choco department | piper sabaletasanum | species | 1 | 0 |
| colombia | choco department | piper spoliatum | species | 1 | 0 |
| colombia | choco department | piper subglabribracteatum | species | 1 | 0 |
| colombia | choco department | piper subpedale | species | 1 | 0 |
| colombia | choco department | piper terryae | species | 1 | 0 |
| colombia | choco department | piper umbricola | species | 1 | 0 |
| colombia | choco department | piper unispicatum | species | 8 | 0 |
| colombia | narino department | piper filistilum | species | 1 | 0 |
| colombia | narino department | piper trianae | species | 13 | 0 |
| colombia | valle del cauca department | piper aduncum | species | 1 | 0 |
| colombia | valle del cauca department | piper brachypodon | species | 1 | 0 |
| colombia | valle del cauca department | piper cajambrense | species | 1 | 0 |
| colombia | valle del cauca department | piper chuarense | species | 1 | 0 |
| colombia | valle del cauca department | piper colligatispicum | species | 1 | 0 |
| colombia | valle del cauca department | piper hartwegianum | species | 1 | 0 |
| colombia | valle del cauca department | piper marequitense | species | 1 | 0 |
| colombia | valle del cauca department | piper ottoniifolium | species | 1 | 0 |
| colombia | valle del cauca department | piper tricuspe | species | 1 | 0 |
| colombia | valle del cauca department | piper yanaconasense | species | 2 | 0 |
| cook islands | | macropiper latifolium | species | 1 | 0 |
| cook islands | | piper methysticum | species | 1 | 0 |
| costa rica | | manekia naranjoana | species | 9 | 0 |
| costa rica | | piper aereum | species | 1 | 0 |
| costa rica | | piper arboreum | species | 1 | 0 |
| costa rica | | piper auritifolium | species | 1 | 0 |
| costa rica | | piper biseriatum | species | 3 | 0 |
| costa rica | | piper calcariformis | species | 1 | 0 |
| costa rica | | piper cenocladum | species | 2 | 0 |
| costa rica | | piper euryphyllum | species | 2 | 0 |
| costa rica | | piper fimbriulatum | species | 2 | 0 |
| costa rica | | piper gibbosum | species | 2 | 0 |
| costa rica | | piper hebetifolium | species | 2 | 0 |
| costa rica | | piper imperiale | species | 3 | 0 |
| costa rica | | piper maxonii | species | 1 | 0 |
| costa rica | | piper melanocladum | species | 1 | 0 |
| costa rica | | piper obliquum | species | 3 | 0 |
| costa rica | | piper sagittifolium | species | 2 | 0 |
| costa rica | alajuela province | piper hispidum | species | 2 | 0 |
| costa rica | cartago province | piper epigynium | species | 2 | 0 |
| costa rica | heredia province | piper arcteacuminatum | species | 2 | 0 |
| costa rica | heredia province | piper culebranum | species | 4 | 0 |
| costa rica | heredia province | piper hispidum | species | 3 | 0 |
| costa rica | heredia province | piper peracuminatum | species | 2 | 0 |
| costa rica | heredia province | piper silvivagum | species | 6 | 0 |
| costa rica | heredia province | piper sp. et3536 | species | 6 | 0 |
| costa rica | heredia province | piper tonduzii | species | 2 | 0 |
| costa rica | heredia province | piper urostachyum | species | 1 | 0 |
| costa rica | heredia province | piper xanthostachyum | species | 2 | 0 |
| costa rica | puntarenas province | piper bredemeyeri | species | 2 | 0 |
| costa rica | puntarenas province | piper callosum | species | 2 | 0 |
| costa rica | puntarenas province | piper chrysostachyum | species | 2 | 0 |
| costa rica | puntarenas province | piper colonense | species | 2 | 0 |
| costa rica | puntarenas province | piper cyphophyllum | species | 2 | 0 |
| costa rica | puntarenas province | piper friedrichsthalii | species | 2 | 0 |
| costa rica | puntarenas province | piper gaudichaudianum | species | 2 | 0 |
| costa rica | puntarenas province | piper hispidum | species | 1 | 0 |
| costa rica | puntarenas province | piper zacatense | species | 7 | 0 |
| costa rica | san jose province | piper lanceifolium | species | 2 | 0 |
| croatia | | aristolochia lutea | species | 14 | 0 |
| dominica | | manekia incurva | species | 3 | 0 |
| ecuador | | manekia sydowii | species | 2 | 0 |
| ecuador | | peperomia sp. hbg70537 | species | 1 | 0 |
| ecuador | | piper bellidifolium | species | 1 | 0 |
| ecuador | | piper candollei | species | 1 | 0 |
| ecuador | | piper cf. cajambrense lugo 210 | species | 1 | 0 |
| ecuador | | piper cf. subglabribracteatum boom 2608 | species | 1 | 0 |
| ecuador | | piper longepilosum | species | 1 | 0 |
| ecuador | | piper lunulibracteatum | species | 1 | 0 |
| ecuador | | piper marsupiiferum | species | 2 | 0 |
| ecuador | | piper obtusilimbum | species | 2 | 0 |
| ecuador | | piper pseudonobile | species | 2 | 0 |
| ecuador | | piper sp. tepe 1414 | species | 1 | 0 |
| ecuador | | piper sp. tepe 1418 | species | 1 | 0 |
| ecuador | | piper sp. tepe 1448 | species | 1 | 0 |
| ecuador | | piper sp. tepe 1597 | species | 1 | 0 |
| ecuador | | piper squamulosum | species | 2 | 0 |
| ecuador | esmeraldas province | piper albozonatum | species | 1 | 0 |
| ecuador | esmeraldas province | piper marginatum | species | 1 | 0 |
| ecuador | esmeraldas province | piper perpusillum | species | 1 | 0 |
| ecuador | esmeraldas province | piper schuppii | species | 1 | 0 |
| ecuador | esmeraldas province | piper sp. 1 maj-674 | species | 1 | 0 |
| ecuador | esmeraldas province | piper tuberculatum | species | 1 | 0 |
| ecuador | esmeraldas province | piper villosum | species | 1 | 0 |
| ecuador | napo province | piper baezense | species | 1 | 0 |
| ecuador | napo province | piper longicaudatum | species | 2 | 0 |
| ecuador | napo province | piper sp. et2959 | species | 3 | 0 |
| egypt | alexandria governorate | aristolochia littoralis | species | 1 | 0 |
| egypt | alexandria governorate | peperomia obtusifolia | species | 2 | 0 |
| france | | aristolochia pallida | species | 1 | 0 |
| france | | aristolochia tyrrhena | species | 1 | 0 |
| french guiana | | piper arboreum | species | 1 | 0 |
| french polynesia | | piper methysticum | species | 0 | 1 |
| germany | north rhine-westphalia | aristolochia clematitis | species | 78 | 0 |
| ghana | | piper guineense | species | 5 | 0 |
| greece | | aristolochia microstoma | species | 8 | 0 |
| greece | | aristolochia parvifolia | species | 1 | 0 |
| guatemala | | peperomia hylophila | species | 8 | 0 |
| guyana | | piper bartlingianum | species | 1 | 0 |
| honduras | | aristolochia paracleta | species | 3 | 0 |
| india | | aristolochia bracteolata | species | 2 | 0 |
| india | | aristolochia fontanesii | species | 1 | 0 |
| india | | piper argyrophyllum | species | 2 | 0 |
| india | | piper attenuatum | species | 10 | 0 |
| india | | piper barberi | species | 2 | 0 |
| india | | piper betle | species | 7 | 0 |
| india | | piper betloides | species | 1 | 0 |
| india | | piper colubrinum | species | 15 | 0 |
| india | | piper galeatum | species | 25 | 0 |
| india | | piper griffithii | species | 1 | 0 |
| india | | piper hymenophyllum | species | 8 | 0 |
| india | | piper longum | species | 6 | 0 |
| india | | piper mullesua | species | 9 | 0 |
| india | | piper nigrum | species | 86 | 0 |
| india | | piper ornatum | species | 10 | 0 |
| india | | piper pedicellatum | species | 1 | 0 |
| india | | piper ribesioides | species | 2 | 0 |
| india | | piper sarmentosum | species | 3 | 0 |
| india | | piper sylvaticum | species | 1 | 0 |
| india | | piper thomsonii | species | 2 | 0 |
| india | | piper trichostachyon | species | 5 | 0 |
| india | | piper umbellatum | species | 2 | 0 |
| india | | piper wightii | species | 5 | 0 |
| india | | thottea siliquosa | species | 1 | 0 |
| india | assam | piper nigrum | species | 0 | 1 |
| india | karnataka | piper attenuatum | species | 2 | 0 |
| india | karnataka | piper nigrum | species | 2 | 0 |
| india | karnataka | piper retrofractum | species | 1 | 0 |
| india | karnataka | piper sarmentosum | species | 1 | 0 |
| india | kerala | piper attenuatum | species | 2 | 0 |
| india | kerala | piper betle | species | 2 | 0 |
| india | kerala | piper nigrum | species | 3 | 1 |
| india | maharashtra | piper nigrum | species | 1 | 0 |
| india | tamil nadu | aristolochia fontanesii | species | 1 | 0 |
| india | uttar pradesh | aristolochia indica | species | 0 | 1 |
| india | west bengal | piper betle | species | 0 | 1 |
| indonesia | | aristolochia singalangensis | species | 3 | 0 |
| indonesia | | peperomia pellucida | species | 1 | 0 |
| indonesia | | piper abbreviatum | species | 26 | 0 |
| indonesia | | piper baccatum | species | 6 | 0 |
| indonesia | | piper betle | species | 22 | 0 |
| indonesia | | piper caninum | species | 29 | 0 |
| indonesia | | piper celtidiforme | species | 7 | 0 |
| indonesia | | piper cubeba | species | 9 | 0 |
| indonesia | | piper decumanum | species | 4 | 0 |
| indonesia | | piper gibbilimbum | species | 8 | 0 |
| indonesia | | piper macropiper | species | 15 | 0 |
| indonesia | | piper majusculum | species | 15 | 0 |
| indonesia | | piper methysticum | species | 5 | 0 |
| indonesia | | piper mollissimum | species | 5 | 0 |
| indonesia | | piper muricatum | species | 8 | 0 |
| indonesia | | piper nigrum | species | 12 | 0 |
| indonesia | | piper porphyrophyllum | species | 12 | 0 |
| indonesia | | piper quinqueangulatum | species | 14 | 0 |
| indonesia | | piper recurvum | species | 1 | 0 |
| indonesia | | piper retrofractum | species | 7 | 0 |
| indonesia | | piper sarmentosum | species | 10 | 0 |
| indonesia | | piper sp. ra 01 | species | 1 | 0 |
| indonesia | | piper truncatibaccum | species | 5 | 0 |
| indonesia | | piper umbellatum | species | 1 | 0 |
| indonesia | east java province | piper nigrum | species | 0 | 1 |
| indonesia | jambi province | peperomia pellucida | species | 1 | 0 |
| indonesia | jambi province | piper baccatum | species | 1 | 0 |
| indonesia | jambi province | piper betle | species | 1 | 0 |
| indonesia | jambi province | piper caninum | species | 9 | 0 |
| indonesia | jambi province | piper cubeba | species | 1 | 0 |
| indonesia | jambi province | piper macropiper | species | 1 | 0 |
| indonesia | jambi province | piper recurvum | species | 1 | 0 |
| indonesia | jambi province | piper retrofractum | species | 2 | 0 |
| indonesia | jambi province | piper sp. ra 01 | species | 1 | 0 |
| indonesia | jambi province | piper umbellatum | species | 1 | 0 |
| indonesia | jambi province | thottea piperiformis | species | 4 | 0 |
| indonesia | west java province | piper aduncum | species | 1 | 0 |
| indonesia | west java province | piper betle | species | 3 | 0 |
| indonesia | west java province | piper caninum | species | 3 | 0 |
| indonesia | west java province | piper hispidum | species | 2 | 0 |
| indonesia | west java province | piper macropiper | species | 1 | 0 |
| indonesia | west java province | piper mollissimum | species | 1 | 0 |
| indonesia | west java province | piper muricatum | species | 1 | 0 |
| indonesia | west java province | piper nigrum | species | 1 | 1 |
| indonesia | west java province | piper recurvum | species | 1 | 0 |
| indonesia | west java province | piper retrofractum | species | 1 | 0 |
| indonesia | west java province | piper sarmentosum | species | 1 | 0 |
| indonesia | west java province | piper sp. ra 06 | species | 1 | 0 |
| indonesia | west java province | piper sp. ra 19 | species | 1 | 0 |
| indonesia | west java province | piper sp. ra 33 | species | 1 | 0 |
| indonesia | west java province | piper sp. ra 34 | species | 1 | 0 |
| indonesia | west nusa tenggara province | peperomia sp. sh-2010 | species | 2 | 0 |
| indonesia | west nusa tenggara province | piper sp. sh-2010 | species | 4 | 0 |
| indonesia | west papua province | piper sp. a3-003 | species | 1 | 0 |
| italy | | aristolochia clusii | species | 1 | 0 |
| italy | | aristolochia lutea | species | 13 | 0 |
| italy | | aristolochia navicularis | species | 1 | 0 |
| italy | | aristolochia pallida | species | 6 | 0 |
| italy | | aristolochia sicula | species | 1 | 0 |
| jamaica | trelawny parish | piper environmental sample | species | 12 | 0 |
| japan | | aristolochia kaempferi | species | 10 | 0 |
| japan | | aristolochia liukiuensis | species | 5 | 0 |
| japan | | aristolochia shimadae | species | 6 | 0 |
| japan | | aristolochia tanzawana | species | 10 | 0 |
| japan | | asarum costatum | species | 5 | 0 |
| japan | | asarum gelasinum | species | 8 | 0 |
| japan | | asarum minamitanianum | species | 8 | 0 |
| japan | | asarum nipponicum | species | 1 | 0 |
| japan | | houttuynia cordata | species | 1 | 0 |
| japan | | peperomia boninsimensis | species | 1 | 0 |
| japan | | piper kadsura | species | 8 | 0 |
| japan | aichi prefecture | aristolochia debilis | species | 1 | 0 |
| japan | aichi prefecture | aristolochia kaempferi | species | 15 | 0 |
| japan | aichi prefecture | aristolochia kaempferi var. tanzawana | varietas | 5 | 0 |
| japan | aichi prefecture | aristolochia tanzawana | species | 6 | 0 |
| japan | akita prefecture | asarum heterotropoides var. heterotropoides | varietas | 3 | 0 |
| japan | aomori prefecture | asarum heterotropoides var. heterotropoides | varietas | 9 | 0 |
| japan | aomori prefecture | asarum sieboldii | species | 2 | 0 |
| japan | aomori prefecture | asarum tohokuense | species | 5 | 0 |
| japan | chiba prefecture | aristolochia kaempferi var. kaempferi | varietas | 6 | 0 |
| japan | ehime prefecture | aristolochia kaempferi | species | 4 | 0 |
| japan | ehime prefecture | aristolochia kaempferi var. kaempferi | varietas | 2 | 0 |
| japan | ehime prefecture | asarum asperum | species | 2 | 0 |
| japan | fukui prefecture | asarum asperum | species | 3 | 0 |
| japan | fukuoka prefecture | aristolochia kaempferi | species | 3 | 0 |
| japan | fukuoka prefecture | asarum asaroides | species | 3 | 0 |
| japan | fukushima prefecture | asarum tohokuense | species | 16 | 0 |
| japan | fukushima prefecture | houttuynia cordata | species | 1 | 0 |
| japan | gifu prefecture | asarum fauriei | species | 3 | 0 |
| japan | gunma prefecture | asarum mikuniense | species | 23 | 0 |
| japan | hiroshima prefecture | asarum dimidiatum | species | 3 | 0 |
| japan | hiroshima prefecture | asarum sieboldii f. sieboldii | forma | 1 | 0 |
| japan | hokkaido prefecture | asarum heterotropoides var. heterotropoides | varietas | 61 | 0 |
| japan | hyogo prefecture | aristolochia kaempferi var. kaempferi | varietas | 1 | 0 |
| japan | hyogo prefecture | aristolochia onoei | species | 9 | 0 |
| japan | ibaraki prefecture | aristolochia kaempferi var. tanzawana | varietas | 4 | 0 |
| japan | ishikawa prefecture | asarum fauriei | species | 2 | 0 |
| japan | ishikawa prefecture | asarum fauriei var. takaoi | varietas | 4 | 0 |
| japan | iwate prefecture | asarum blumei | species | 8 | 0 |
| japan | kagoshima prefecture | aristolochia kaempferi | species | 4 | 0 |
| japan | kagoshima prefecture | aristolochia kaempferi var. kaempferi | varietas | 7 | 0 |
| japan | kagoshima prefecture | aristolochia liukiuensis | species | 6 | 0 |
| japan | kagoshima prefecture | asarum celsum | species | 3 | 0 |
| japan | kagoshima prefecture | asarum crassum | species | 3 | 0 |
| japan | kagoshima prefecture | asarum fudsinoi | species | 9 | 0 |
| japan | kagoshima prefecture | asarum gusk | species | 6 | 0 |
| japan | kagoshima prefecture | asarum hatsushimae | species | 3 | 0 |
| japan | kagoshima prefecture | asarum hexalobum var. perfectum | varietas | 9 | 0 |
| japan | kagoshima prefecture | asarum leucosepalum | species | 6 | 0 |
| japan | kagoshima prefecture | asarum lutchuense | species | 7 | 0 |
| japan | kagoshima prefecture | asarum pellucidum | species | 3 | 0 |
| japan | kagoshima prefecture | asarum satsumense | species | 3 | 0 |
| japan | kagoshima prefecture | asarum simile | species | 3 | 0 |
| japan | kagoshima prefecture | asarum tokarense | species | 3 | 0 |
| japan | kagoshima prefecture | asarum trinacriforme | species | 3 | 0 |
| japan | kagoshima prefecture | asarum yakusimense | species | 4 | 0 |
| japan | kagoshima prefecture | piper kadsura | species | 4 | 0 |
| japan | kanagawa prefecture | aristolochia kaempferi var. kaempferi | varietas | 5 | 0 |
| japan | kanagawa prefecture | aristolochia kaempferi var. tanzawana | varietas | 8 | 0 |
| japan | kanagawa prefecture | asarum caulescens | species | 1 | 0 |
| japan | kanagawa prefecture | asarum nipponicum | species | 16 | 0 |
| japan | kanagawa prefecture | asarum tamaensis | species | 2 | 0 |
| japan | kochi prefecture | aristolochia kaempferi | species | 2 | 0 |
| japan | kochi prefecture | aristolochia kaempferi var. kaempferi | varietas | 5 | 0 |
| japan | kochi prefecture | asarum costatum | species | 6 | 0 |
| japan | kochi prefecture | asarum sakawanum | species | 4 | 0 |
| japan | kochi prefecture | asarum sakawanum var. stellatum | varietas | 3 | 0 |
| japan | kumamoto prefecture | aristolochia kaempferi | species | 3 | 0 |
| japan | kumamoto prefecture | aristolochia kaempferi var. kaempferi | varietas | 2 | 0 |
| japan | kumamoto prefecture | asarum asaroides | species | 3 | 0 |
| japan | kumamoto prefecture | asarum misandrum | species | 10 | 0 |
| japan | kyoto prefecture | asarum asaroides | species | 3 | 0 |
| japan | kyoto prefecture | asarum satsumense | species | 3 | 0 |
| japan | kyoto prefecture | asarum sp. 'hiuganum' | species | 2 | 0 |
| japan | kyoto prefecture | asarum unzen | species | 2 | 0 |
| japan | mie prefecture | aristolochia kaempferi | species | 21 | 0 |
| japan | mie prefecture | aristolochia kaempferi var. kaempferi | varietas | 1 | 0 |
| japan | mie prefecture | asarum asperum | species | 3 | 0 |
| japan | mie prefecture | asarum caulescens | species | 2 | 0 |
| japan | mie prefecture | asarum fauriei var. takaoi | varietas | 4 | 0 |
| japan | miyagi ken prefecture | houttuynia cordata | species | 3 | 0 |
| japan | miyazaki prefecture | aristolochia kaempferi | species | 2 | 0 |
| japan | miyazaki prefecture | asarum crassum | species | 3 | 0 |
| japan | miyazaki prefecture | asarum dimidiatum | species | 82 | 0 |
| japan | miyazaki prefecture | asarum hexalobum var. perfectum | varietas | 3 | 0 |
| japan | miyazaki prefecture | asarum minamitanianum | species | 6 | 0 |
| japan | miyazaki prefecture | asarum subglobosum | species | 6 | 0 |
| japan | miyazaki prefecture | piper kadsura | species | 1 | 0 |
| japan | nagano prefecture | asarum mikuniense | species | 5 | 0 |
| japan | nagano prefecture | asarum sieboldii | species | 6 | 0 |
| japan | nagano prefecture | asarum sieboldii f. sieboldii | forma | 4 | 0 |
| japan | nagano prefecture | asarum tohokuense | species | 8 | 0 |
| japan | nagasaki prefecture | aristolochia kaempferi | species | 1 | 0 |
| japan | nagasaki prefecture | aristolochia onoei | species | 9 | 0 |
| japan | nagasaki prefecture | asarum unzen | species | 3 | 0 |
| japan | nara prefecture | aristolochia kaempferi | species | 10 | 0 |
| japan | niigata prefecture | asarum mikuniense | species | 41 | 0 |
| japan | oita prefecture | aristolochia kaempferi | species | 10 | 0 |
| japan | oita prefecture | aristolochia kaempferi var. kaempferi | varietas | 1 | 0 |
| japan | okayama prefecture | aristolochia kaempferi var. kaempferi | varietas | 1 | 0 |
| japan | okinawa prefecture | aristolochia liukiuensis | species | 34 | 0 |
| japan | okinawa prefecture | aristolochia shimadae | species | 9 | 0 |
| japan | okinawa prefecture | asarum dissitum | species | 3 | 0 |
| japan | okinawa prefecture | asarum gelasinum | species | 3 | 0 |
| japan | okinawa prefecture | asarum okinawense | species | 3 | 0 |
| japan | okinawa prefecture | asarum senkakuinsulare | species | 3 | 0 |
| japan | okinawa prefecture | asarum yaeyamense | species | 3 | 0 |
| japan | osaka prefecture | asarum asperum | species | 3 | 0 |
| japan | saga prefecture | aristolochia kaempferi | species | 1 | 0 |
| japan | saga prefecture | aristolochia kaempferi var. kaempferi | varietas | 1 | 0 |
| japan | shiga prefecture | houttuynia cordata | species | 1 | 0 |
| japan | shimane prefecture | asarum maruyamae | species | 10 | 0 |
| japan | shizuoka prefecture | aristolochia kaempferi | species | 9 | 0 |
| japan | shizuoka prefecture | aristolochia kaempferi var. kaempferi | varietas | 2 | 0 |
| japan | shizuoka prefecture | aristolochia kaempferi var. tanzawana | varietas | 4 | 0 |
| japan | shizuoka prefecture | asarum blumei | species | 5 | 0 |
| japan | shizuoka prefecture | asarum muramatsui | species | 5 | 0 |
| japan | tochigi prefecture | asarum sieboldii f. sieboldii | forma | 11 | 0 |
| japan | tochigi prefecture | asarum tohokuense | species | 4 | 0 |
| japan | tokushima prefecture | aristolochia kaempferi | species | 1 | 0 |
| japan | tokushima prefecture | aristolochia kaempferi var. kaempferi | varietas | 2 | 0 |
| japan | tokushima prefecture | asarum dimidiatum | species | 5 | 0 |
| japan | tokyo prefecture | asarum tamaensis | species | 3 | 0 |
| japan | tokyo prefecture | peperomia boninsimensis | species | 16 | 0 |
| japan | tottori prefecture | asarum sieboldii f. sieboldii | forma | 63 | 0 |
| japan | toyama prefecture | asarum fauriei | species | 2 | 0 |
| japan | wakayama prefecture | aristolochia kaempferi | species | 2 | 0 |
| japan | wakayama prefecture | aristolochia kaempferi var. kaempferi | varietas | 2 | 0 |
| japan | yamagata prefecture | asarum fauriei | species | 7 | 0 |
| japan | yamagata prefecture | asarum megacalyx | species | 4 | 0 |
| japan | yamagata prefecture | asarum sieboldii | species | 4 | 0 |
| japan | yamaguchi prefecture | aristolochia kaempferi var. kaempferi | varietas | 5 | 0 |
| japan | yamanashi prefecture | aristolochia kaempferi var. tanzawana | varietas | 1 | 0 |
| latvia | | piper sylvaticum | species | 1 | 0 |
| madagascar | boeny region | aristolochia albida | species | 4 | 0 |
| malaysia | | piper argyrites | species | 5 | 0 |
| malaysia | | piper betle | species | 4 | 0 |
| malaysia | | piper caninum | species | 5 | 0 |
| malaysia | | piper macropiper | species | 8 | 0 |
| malaysia | | piper mollissimum | species | 4 | 0 |
| malaysia | | piper muricatum | species | 12 | 0 |
| malaysia | | piper nigrum | species | 8 | 0 |
| malaysia | | piper porphyrophyllum | species | 5 | 0 |
| malaysia | | piper quinqueangulatum | species | 4 | 0 |
| malaysia | | piper retrofractum | species | 4 | 0 |
| malaysia | | piper ribesioides | species | 6 | 0 |
| malaysia | | piper sarmentosum | species | 2 | 0 |
| malaysia | perak | piper sarmentosum | species | 1 | 0 |
| malaysia | selangor | piper aduncum | species | 6 | 0 |
| malaysia | selangor | piper betle | species | 2 | 0 |
| malaysia | selangor | piper nigrum | species | 2 | 0 |
| malaysia | selangor | piper sarmentosum | species | 4 | 0 |
| mexico | | aristolochia tricaudata | species | 3 | 0 |
| mexico | | peperomia maculosa | species | 1 | 0 |
| mexico | | peperomia tristachya | species | 1 | 0 |
| mexico | | piper cf. obliquum dominguez s.n. | species | 1 | 0 |
| mexico | colima | piper brevipedicellatum | species | 5 | 0 |
| mexico | jalisco | piper cihuatlanense | species | 1 | 0 |
| mexico | jalisco | piper michelianum | species | 1 | 0 |
| mexico | oaxaca | piper umbellatum | species | 1 | 0 |
| micronesia | | piper betle | species | 0 | 1 |
| mozambique | manica province | piper capense | species | 1 | 0 |
| myanmar | | aristolochia cucurbitoides | species | 3 | 0 |
| myanmar | | aristolochia saccata | species | 8 | 0 |
| myanmar | | aristolochia sp. myanmar-162 | species | 3 | 0 |
| nepal | | aristolochia nakaoi | species | 3 | 0 |
| new caledonia | | piper austrocaledonicum | species | 6 | 0 |
| new zealand | | macropiper excelsum | species | 2 | 0 |
| new zealand | | peperomia urvilleana | species | 1 | 0 |
| new zealand | | piper melchior | species | 1 | 0 |
| nicaragua | | aristolochia anguicida | species | 1 | 0 |
| nicaragua | | aristolochia maxima | species | 1 | 0 |
| nicaragua | | peperomia glabella | species | 1 | 0 |
| nicaragua | | peperomia obtusifolia | species | 1 | 0 |
| nicaragua | | piper aduncum | species | 1 | 0 |
| nicaragua | | piper aequale | species | 1 | 0 |
| nicaragua | | piper amalago | species | 1 | 0 |
| nicaragua | | piper arboreum | species | 1 | 0 |
| nicaragua | | piper augustum | species | 1 | 0 |
| nicaragua | | piper marginatum | species | 1 | 0 |
| nicaragua | | piper melanocladum | species | 1 | 0 |
| nicaragua | | piper obliquum | species | 1 | 0 |
| nicaragua | | piper peltatum | species | 1 | 0 |
| nicaragua | | piper pseudofuligineum | species | 1 | 0 |
| nicaragua | | piper tuberculatum | species | 2 | 0 |
| nicaragua | | piperaceae sp. npl0386 | species | 1 | 0 |
| pakistan | | piper longum | species | 2 | 0 |
| panama | | manekia naranjoana | species | 2 | 0 |
| panama | | piper aequale | species | 2 | 0 |
| panama | | piper arboreum | species | 4 | 0 |
| panama | | piper calcariformis | species | 1 | 0 |
| panama | | piper campanum | species | 2 | 0 |
| panama | | piper carrilloanum | species | 4 | 0 |
| panama | | piper cf. obliquum tepe 1022 | species | 1 | 0 |
| panama | | piper colonense | species | 1 | 0 |
| panama | | piper cordulatum | species | 5 | 0 |
| panama | | piper daguanum | species | 1 | 0 |
| panama | | piper fimbriulatum | species | 2 | 0 |
| panama | | piper gigas | species | 1 | 0 |
| panama | | piper perlasense | species | 3 | 0 |
| panama | | piper reticulatum | species | 1 | 0 |
| panama | | piper sasaimanum | species | 1 | 0 |
| panama | | piper tardans | species | 1 | 0 |
| panama | | piper tuberculatum | species | 1 | 0 |
| panama | bocas del toro province | piper culebranum | species | 2 | 0 |
| panama | chiriqui province | piper boquetense | species | 2 | 0 |
| panama | chiriqui province | piper concepcionis | species | 2 | 0 |
| panama | chiriqui province | piper lucigaudens | species | 2 | 0 |
| panama | chiriqui province | piper polytrichum | species | 2 | 0 |
| panama | cocle province | piper glabrescens | species | 2 | 0 |
| panama | cocle province | piper ottoniifolium | species | 2 | 0 |
| panama | colon province | piper pseudogaragaranum | species | 2 | 0 |
| panama | panama province | aristolochia cordiflora | species | 9 | 0 |
| panama | panama province | aristolochia maxima | species | 4 | 0 |
| panama | panama province | aristolochia pilosa | species | 3 | 0 |
| panama | panama province | aristolochia tonduzii | species | 3 | 0 |
| panama | panama province | piper multiplinervium | species | 3 | 0 |
| panama | panama province | piper pubistipulum | species | 2 | 0 |
| panama | panama province | piper reticulatum | species | 1 | 0 |
| panama | panama province | piper schiedeanum | species | 1 | 0 |
| panama | panama province | piper sp. et4056 | species | 2 | 0 |
| panama | panama province | piper via-chicoense | species | 1 | 0 |
| papua new guinea | | piper gibbilimbum | species | 1 | 0 |
| papua new guinea | | piper macropiper | species | 1 | 0 |
| papua new guinea | | piper umbellatum | species | 1 | 0 |
| papua new guinea | morobe province | piper gibbilimbum | species | 3 | 0 |
| peru | | manekia sydowii | species | 6 | 0 |
| peru | | piper perareolatum | species | 1 | 0 |
| poland | mazovia province | asarum europaeum | species | 1 | 0 |
| puerto rico | | piper amalago | species | 3 | 0 |
| puerto rico | | piper jacquemontianum | species | 4 | 0 |
| puerto rico | | piper marginatum | species | 2 | 0 |
| russia | primorsky krai | asarum heterotropoides var. seoulense | varietas | 7 | 0 |
| russia | sakhalin oblast | asarum heterotropoides var. heterotropoides | varietas | 2 | 0 |
| singapore | | piper betle | species | 4 | 0 |
| somalia | | aristolochia rigida | species | 1 | 0 |
| south korea | | aristolochia manshuriensis | species | 8 | 0 |
| south korea | | asarum patens | species | 11 | 0 |
| south korea | | asarum sieboldii f. maculatum | forma | 2 | 0 |
| south korea | | asarum sieboldii f. sieboldii | forma | 2 | 0 |
| south korea | busan city | asarum sieboldii | species | 2 | 0 |
| south korea | daegu city | asarum patens | species | 2 | 0 |
| south korea | daegu city | asarum sieboldii | species | 3 | 0 |
| south korea | daegu city | asarum sieboldii f. sieboldii | forma | 2 | 0 |
| spain | | aristolochia paucinervis | species | 1 | 0 |
| sri lanka | | piper nigrum | species | 2 | 0 |
| sri lanka | | thottea duchartrei | species | 1 | 0 |
| sri lanka | central province | thottea duchartrei | species | 3 | 0 |
| switzerland | schwyz region | piper methysticum | species | 0 | 1 |
| syria | | aristolochia parvifolia | species | 1 | 0 |
| syria | | aristolochia sempervirens | species | 1 | 0 |
| taiwan | | aristolochia cucurbitifolia | species | 15 | 0 |
| taiwan | | aristolochia shimadae | species | 13 | 0 |
| taiwan | | asarum epigynum | species | 10 | 0 |
| taiwan | | peperomia leptostachya | species | 1 | 0 |
| taiwan | | peperomia pellucida | species | 1 | 0 |
| taiwan | | peperomia tetraphylla | species | 1 | 0 |
| taiwan | | piper betle | species | 1 | 5 |
| taiwan | taipei municipality | aristolochia shimadae | species | 5 | 0 |
| taiwan | taipei municipality | asarum macranthum | species | 7 | 0 |
| taiwan | taipei municipality | asarum yaeyamense | species | 3 | 0 |
| taiwan | taiwan municipality | aristolochia cucurbitifolia | species | 3 | 0 |
| tanzania | | piper peltatum | species | 1 | 0 |
| thailand | | aristolochia anguicida | species | 4 | 0 |
| thailand | | aristolochia elegans | species | 2 | 0 |
| thailand | | aristolochia gigantea | species | 4 | 0 |
| thailand | | aristolochia grandiflora | species | 4 | 0 |
| thailand | | aristolochia grandis | species | 2 | 0 |
| thailand | | aristolochia indica | species | 2 | 0 |
| thailand | | aristolochia kerrii | species | 4 | 0 |
| thailand | | aristolochia littoralis | species | 4 | 0 |
| thailand | | aristolochia pierrei | species | 4 | 0 |
| thailand | | aristolochia pothieri | species | 10 | 0 |
| thailand | | aristolochia ringens | species | 6 | 0 |
| thailand | | aristolochia sp. mus-5399 | species | 4 | 0 |
| thailand | | aristolochia tagala | species | 12 | 0 |
| thailand | | aristolochia tentaculata | species | 4 | 0 |
| thailand | | piper argyrites | species | 7 | 0 |
| thailand | | piper betle | species | 3 | 0 |
| thailand | | piper betloides | species | 1 | 0 |
| thailand | | piper boehmeriifolium | species | 6 | 0 |
| thailand | | piper caninum | species | 6 | 0 |
| thailand | | piper colubrinum | species | 2 | 0 |
| thailand | | piper crocatum | species | 1 | 0 |
| thailand | | piper dominantinervium | species | 6 | 0 |
| thailand | | piper hongkongense | species | 6 | 0 |
| thailand | | piper khasianum | species | 6 | 0 |
| thailand | | piper kraense | species | 6 | 0 |
| thailand | | piper longum | species | 6 | 0 |
| thailand | | piper magnibaccum | species | 6 | 0 |
| thailand | | piper montium | species | 4 | 0 |
| thailand | | piper mutabile | species | 5 | 0 |
| thailand | | piper nigrum | species | 6 | 0 |
| thailand | | piper pedicellatum var. eglandulatum | varietas | 6 | 0 |
| thailand | | piper pendulispicum | species | 5 | 0 |
| thailand | | piper phuwuaense | species | 6 | 0 |
| thailand | | piper pilobracteatum | species | 12 | 0 |
| thailand | | piper polysyphonum | species | 6 | 0 |
| thailand | | piper protrusum | species | 5 | 0 |
| thailand | | piper retrofractum | species | 3 | 0 |
| thailand | | piper ribesioides | species | 3 | 0 |
| thailand | | piper sarmentosum | species | 10 | 0 |
| thailand | | piper semi-immersum | species | 1 | 0 |
| thailand | | piper submultinerve | species | 1 | 0 |
| thailand | | piper sylvaticum | species | 5 | 0 |
| thailand | | piper sylvestre | species | 6 | 0 |
| thailand | | piper thomsonii var. trichostigma | varietas | 3 | 0 |
| thailand | | piper tricolor | species | 1 | 0 |
| thailand | | piper umbellatum | species | 4 | 0 |
| thailand | | piper wallichii | species | 6 | 0 |
| thailand | | piper yinkiangense | species | 1 | 0 |
| thailand | chiang mai province | piper betle | species | 7 | 0 |
| thailand | chiang mai province | piper nigrum | species | 7 | 0 |
| thailand | chiang mai province | piper retrofractum | species | 8 | 0 |
| thailand | chiang mai province | piper sarmentosum | species | 6 | 0 |
| thailand | chiang mai province | piper wallichii | species | 7 | 0 |
| trinidad and tobago | | aristolochia boosii | species | 2 | 0 |
| turkey | | aristolochia pallida | species | 12 | 0 |
| united states | | aristolochia arborea | species | 3 | 0 |
| united states | | aristolochia californica | species | 3 | 0 |
| united states | | aristolochia macrophylla | species | 3 | 0 |
| united states | | aristolochia salvadorensis | species | 3 | 0 |
| united states | | aristolochia serpentaria | species | 3 | 0 |
| united states | | aristolochia tomentosa | species | 3 | 0 |
| united states | | asarum canadense | species | 2 | 0 |
| united states | | asarum caudatum | species | 2 | 0 |
| united states | | asarum hartwegii | species | 6 | 0 |
| united states | | asarum naniflorum | species | 7 | 0 |
| united states | | piper betle | species | 5 | 0 |
| united states | | saururus cernuus | species | 2 | 0 |
| united states | alabama | asarum shuttleworthii var. harperi | varietas | 4 | 0 |
| united states | alabama | asarum speciosum | species | 7 | 0 |
| united states | california | asarum caudatum | species | 8 | 0 |
| united states | california | asarum lemmonii | species | 8 | 0 |
| united states | district of columbia | aristolochia fimbriata | species | 4 | 0 |
| united states | district of columbia | houttuynia cordata | species | 4 | 0 |
| united states | district of columbia | peperomia tetraphylla | species | 2 | 0 |
| united states | florida | aristolochia serpentaria | species | 2 | 0 |
| united states | florida | piper auritum | species | 1 | 0 |
| united states | florida | saururus cernuus | species | 1 | 0 |
| united states | hawaii | piper methysticum | species | 0 | 1 |
| united states | illinois | aristolochia clematitis | species | 1 | 0 |
| united states | kentucky | asarum contractum | species | 7 | 0 |
| united states | maryland | aristolochia fimbriata | species | 2 | 0 |
| united states | maryland | saururus cernuus | species | 3 | 0 |
| united states | missouri | aristolochia arborea | species | 3 | 0 |
| united states | missouri | aristolochia gigantea | species | 3 | 0 |
| united states | missouri | aristolochia goldieana | species | 3 | 0 |
| united states | missouri | asarum canadense | species | 7 | 0 |
| united states | missouri | piper jacquemontianum | species | 2 | 0 |
| united states | missouri | saruma henryi | species | 3 | 0 |
| united states | new york | saururus cernuus | species | 3 | 0 |
| united states | north carolina | asarum arifolium var. arifolium | varietas | 8 | 0 |
| united states | north carolina | asarum arifolium var. ruthii | varietas | 8 | 0 |
| united states | north carolina | asarum contractum | species | 8 | 0 |
| united states | north carolina | asarum lewisii | species | 6 | 0 |
| united states | north carolina | asarum memmingeri | species | 14 | 0 |
| united states | north carolina | asarum minus | species | 23 | 0 |
| united states | north carolina | asarum shuttleworthii var. shuttleworthii | varietas | 23 | 0 |
| united states | north carolina | asarum sp. bts-2015 | species | 8 | 0 |
| united states | north carolina | asarum virginicum | species | 7 | 0 |
| united states | north carolina | piper betle | species | 3 | 0 |
| united states | north carolina | piper nigrum | species | 1 | 0 |
| united states | south carolina | asarum heterophyllum | species | 22 | 0 |
| united states | texas | anemopsis californica | species | 1 | 0 |
| united states | virginia | aristolochia serpentaria | species | 9 | 0 |
| united states | virginia | asarum canadense | species | 2 | 0 |
| united states | virginia | asarum sp. 1 bts 1111 | species | 6 | 0 |
| united states | virginia | saururus cernuus | species | 3 | 0 |
| united states | west virginia | asarum canadense | species | 1 | 0 |
| united states | west virginia | asarum virginicum | species | 1 | 0 |
| united states | wisconsin | asarum canadense | species | 4 | 0 |
| venezuela | | manekia venezuelana | species | 2 | 0 |
| venezuela | | piper caracasanum | species | 1 | 0 |
| vietnam | | aristolochia annamensis | species | 3 | 0 |
| vietnam | | aristolochia balansae | species | 3 | 0 |
| vietnam | | piper lolot | species | 1 | 0 |
| vietnam | | piper nigrum | species | 2 | 0 |
| vietnam | binh duong province | piper nigrum | species | 1 | 0 |
| vietnam | binh phuoc province | piper nigrum | species | 2 | 0 |
| vietnam | dak lak province | piper nigrum | species | 7 | 0 |
| vietnam | dak nong province | piper nigrum | species | 2 | 0 |
| vietnam | dong nai province | piper nigrum | species | 17 | 0 |
| vietnam | gia lai province | piper nigrum | species | 4 | 0 |
| vietnam | ha noi city | piper hancei | species | 4 | 0 |
| vietnam | ha tinh province | piper bavinum | species | 1 | 0 |
| vietnam | ha tinh province | piper lolot | species | 11 | 0 |
| vietnam | khanh hoa province | peperomia pellucida | species | 2 | 0 |
| vietnam | kien giang province | piper nigrum | species | 4 | 0 |